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<title>Find Usages Dialog Box</title>
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<h1>Find Usages Dialog Box</h1>
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<p>Use this dialog box to specify search options for the Find Usages command. You can use the Find Usages command to determine all of the places a class, function, or variable is used in your project's source code.</p>
<p>The Find Usages dialog box displays the following options:</p>

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<p>Find Usages</p>
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<td align="left" headers="r2c1-t21 r1c2-t21">If selected, all usages of the class, function or variable are displayed.</td>
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<p>Find All Subtypes</p>
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<td align="left" headers="r3c1-t21 r1c2-t21">If selected, usages of all subtypes of the class, including subtypes of subtypes, are displayed. Usages of the class itself are not displayed.</td>
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<p>Find Direct Subtypes Only</p>
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<td align="left" headers="r4c1-t21 r1c2-t21">If selected, only usages of direct subtypes are displayed. Subtypes of those subtypes are ignored.</td>
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<p>Find Overriding Functions</p>
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<td align="left" headers="r5c1-t21 r1c2-t21">If selected, the output will show every usage of a function that overrides this function in your project.
<p>This option is only available when finding usages of a function.</p>
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<p>Search from Base Class</p>
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<td align="left" headers="r6c1-t21 r1c2-t21">This option is only relevant if the function for which you are finding usages overrides another function. If selected, the output will show every usage of that base function.
<p>This option is only available when finding usages of a function</p>
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<p>The Find Usages command is distinct from the Find command, because Find Usages returns only occurrences of the specified identifier in PHP source code. The Find command returns any matching string that you specify in any type of file.</p>
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